York Island Beach is a beautiful secluded beach located on York Island, just off the coast of Jolly Harbour, Antigua and Barbuda. The beach is about half a mile long and boasts powdery white sand and crystal clear blue water. activities available at the beach include swimming, sunbathing, and snorkeling to explore the colorful marine life. York Island Beach has few amenities, so plan your trip accordingly, although it does have a small picnic area and bathroom access.